<!DOCTYPE html>
<html>
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<meta name="robots" content="noindex">
	<title>io-fx10 - iowen.cn</title>
    <style>
        body{background:radial-gradient(200% 100% at bottom center,#f7f7b6,#e96f92,#75517d,#1b2947);background:radial-gradient(220% 105% at top center,#1b2947 10%,#75517d 40%,#e96f92 65%,#f7f7b6);background-attachment:fixed;overflow:hidden}
        @keyframes rotate{0%{transform:perspective(400px) rotateZ(20deg) rotateX(-40deg) rotateY(0)}
        100%{transform:perspective(400px) rotateZ(20deg) rotateX(-40deg) rotateY(-360deg)}
        }.stars{transform:perspective(500px);transform-style:preserve-3d;position:absolute;bottom:0;perspective-origin:50% 100%;left:50%;animation:rotate 90s infinite linear}
        .star{width:2px;height:2px;background:#F7F7B6;position:absolute;top:0;left:0;transform-origin:0 0 -300px;transform:translate3d(0,0,-300px);backface-visibility:hidden}
    </style>
</head>
<body>
    <div class="stars"></div> 
    <script src="https://cdn.staticfile.org/jquery/2.2.4/jquery.min.js"></script>
    <script>  
        $(document).ready(function(){
        var stars=800;
        var $stars=$(".stars");
        var r=800;
        for(var i=0;i<stars;i++){
            var $star=$("<div/>").addClass("star");
            $stars.append($star);
        }
        $(".star").each(function(){
            var cur=$(this);
            var s=0.2+(Math.random()*1);
            var curR=r+(Math.random()*300);
            cur.css({ 
                transformOrigin:"0 0 "+curR+"px",
                transform:" translate3d(0,0,-"+curR+"px) rotateY("+(Math.random()*360)+"deg) rotateX("+(Math.random()*-50)+"deg) scale("+s+","+s+")"
            })
        })
        })
    </script>
</body>
</html>